Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

string includes vs startsWith vs startsWith with trimStart

No description provided

Array.prototype.slice vs _.take 1M

No description provided

Getting last element of array (index/slice/at/pop)

No description provided

Getting last element of array (no cash arr.length)

No description provided

アイウエオか聞くけど

あああああ

IndexOf vs Includes in function

Banana

for vs foreach vs for..in vs for..of jul 2025

Compare loop performance

Object.fromEntries vs reduce vs Map - fixed

No description provided

shallow copy of arrays and objects

No description provided

setArray forward vs backwards

No description provided

sum for vs foreach vs some vs for..of vs for with cached length

Compare loop performance doing summation

for vs foreach vs some vs for..of vs for with cached length

Compare loop performance

lodash uniq vs Array.from(new Set()) vs spread new Set() vs Filter

No description provided

Map.get vs Object property access and more

No description provided

spread vs iterator for getting first element (fixed2)

fixed elements array creation

spread vs iterator for getting first element (fixed)

fixed elements array creation

Object from array: map + Object.fromEntries vs reduce vs Object.fromEntries(Object pairs) vs Object.fromEntries(map iterator)

No description provided

JSON.stringify vs structuredClone vs custom

JSON.stringify vs structuredClone

Lodash partition VS native JS

No description provided

traditional string concat vs template string concat + array join fixed

No description provided

traditional string concat vs template string concat + array join

No description provided

while loop vs for loop: Simplest case

No description provided

asdasdasd-kwang

No description provided

arr unshift vs push + reverse (size 20 array)

No description provided

test1___nerr2

No description provided

NEW BENCHMARK Your Benchmarks